The average of $8$ numbers is $26$. If one number $18$ is removed, the new average is:

Question

The average of $8$ numbers is $26$. If one number $18$ is removed, the new average is:

Option A

26

Option B — Correct answer

$27\frac{1}{7}$

Correct choice.

Option C

$27\frac{3}{7}$

Option D

28

Explanation

Original total $=8\times26=208$. New total $=208-18=190$. New average $=190\div7=27\frac{1}{7}$.

Chapter Mock 6: Average and Ages